NMR diagnosis of pseudo-scalar superconductivity in 3D Dirac materials

被引：0
|
作者：
Mohajerani, Azin [1 ]
Faraei, Zahra [2 ]
Jafari, S. A. [2 ,3 ]
机构：
[1] TMU, Dept Basic Sci, Tehran 14115175, Iran
[2] Sharif Univ Technol, Dept Phys, Tehran 111559161, Iran
[3] Sharif Univ Technol, Ctr Excellence Complex Syst & Condensed Matter CS, Tehran 1458889694, Iran
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 2018年 / 30卷 / 50期
关键词：
pseudo-scalar order; anti-peak; 3D Dirac material; mirror symmetry breaking;
D O I：
10.1088/1361-648X/aaeef7
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Recently observed 4 pi periodic Andreev bound states in 3D Dirac materials are attributed to conventional superconducting pairing. Our alternative explanation in terms of a novel form of parity breaking pseudo-scalar superconducting order can be sharply diagnosed by nuclear magnetic resonance relaxation rate. The left-right symmetry breaking of the pseudo-scalar superconductivity can be directly probed as an anti-peak structure below T-C in sharp contrast to the conventional Hebel-Slichter peak.
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页数：4
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